That look on his face is the reason beer was invented.
It seems kinda mean to put this up, knowing that eventually the resulting offspring will see this and know that news of his or her impending existence was not met with joy, but the disappointed dad has since warmed up to the intel brought by the cold beer.
Dad-to-be Texasagg2010 on YouTube must be ok with the baby now, seeing as he is the one who uploaded the footage of his utter dismay. In the description he wrote, "This was unexpected and came as quite the shock, but I am very excited about this!"
Then he put in his information about licensing because, if you're going to have to have a baby, you might as well make some money from it.